{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "RNA", "cell line", "cell type", "DNA"], "input": "Oxidative stress obtained by the addition of H2O2 to the culture medium of J.Jhan or U937 cells could not by itself induce NF-kappa B activation ."}
{"protein": ["NF-kappa B"], "RNA": [], "cell line": ["J.Jhan", "U937 cells"], "cell type": [], "DNA": []}